What’s Vulnerable › Vulnerabilities

CVE-2019-25229: Kentico Xperience <= 12.0.29 MVC Forms Unrestricted File Upload

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-12-18 · updated 2026-06-17
• Weakness: CWE-434

Description

An unrestricted file upload vulnerability in Kentico Xperience allows authenticated users with 'Read data' permissions to upload arbitrary file types via MVC form file uploader components. Attackers can manipulate file names and upload potentially malicious files to the system, enabling unauthorized file uploads.

Affected products

• Kentico Xperience: through 12.0.29

References

• https://devnet.kentico.com/download/hotfixes
• https://www.vulncheck.com/advisories/kentico-xperience-mvc-forms-unrestricted-file-upload

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